Dedicated Outdoor Air System (DOAS) Market Research Report Information By Technology (DX (Direct Expansion) Systems, Energy Recovery Ventilation (ERV) Systems, Enthalpy Wheels and Heat Recovery Ventilation (HRV) Systems), By Air flow strategy (Constant Air Volume (CAV), Variable Air Volume (VAV) and Displacement Ventilation (DV)), By camera type (DSLR, Mirrorless, Film Cameras, Action Cameras and Compact Digital Cameras) ,By System Architecture ( Packaged DOAS Units, Modular/Custom DOAS via Air Handling Units (AHUs) and Integrated Systems w

Global Dedicated Outdoor Air System (DOAS) Market Overview

Dedicated Outdoor Air System (DOAS) Market Size Was Valued at USD 4.92 Billion In 2024. The Global Dedicated Outdoor Air System (DOAS) Industry Is Projected to Grow from USD 5.13 Billion In 2025 To USD 13.57 Billion By 2035, Exhibiting A Compound Annual Growth Rate (CAGR) Of 10.2% During the Forecast Period (2025 - 2035).

Rising awareness of indoor air quality, government regulations and standards, growth in commercial and residential construction, and increasing demand for energy-efficient HVAC systems are driving the Dedicated Outdoor Air System (DOAS) Market.

As per Analyst at MRFR,” The Dedicated Outdoor Air System (DOAS) Market is undergoing substantial growth, fueled by a combination of technological, regulatory, and environmental drivers. Rising awareness of indoor air quality (IAQ), especially in the wake of global health concerns, has significantly boosted demand for systems that deliver clean, filtered, and humidity-controlled outdoor air. DOAS units are essential to sustain healthy indoor environments by getting ventilation decoupled from temperature control, increasing both comfort and energy efficiency”

Source: Secondary Research, Primary Research, MRFR Database, and Analyst Review

Dedicated Outdoor Air System (DOAS) Market Trends

                URBANIZATION AND INFRASTRUCTURE DEVELOPMENT IN EMERGING ECONOMIES

Urbanization and infrastructure development in emerging economies create a substantial opportunity to grow the dedicated outdoor air system (DOAS) market on a global scale. Rapid urban growth throughout Asia-Pacific, Latin America, the Middle East, and some parts of Africa is driving growth in construction of residential, commercial, and institutional buildings. As cities grow and modernize, demand for high-performance buildings that respond to changing energy performance, occupant comfort, and indoor air quality will escalate. These emerging economies are also embedding their smart city definitions in their investments in transportation hubs and healthcare and education infrastructure sectors.

Within these sectors, DOAS can provide tremendous benefits, by controlling ventilation and improving air quality. In addition, it seems that government programs promoting global best practices for building design and sustainability are gaining traction in emerging markets bringing DOAS into the conversation for both new building and retrofit projects. The most beneficial arguments for DOAS in development projects relate directly to achieving long-term commitments around environmental sustainability and public health, making a case for DOAS as a necessary component of future-ready urban infrastructure.

Dedicated Outdoor Air System (DOAS) Market Segment Insights

Global Dedicated Outdoor Air System (DOAS) By Technology Insights

The Dedicated outdoor air system (DOAS) market has been segmented based on Technology into DX (Direct Expansion) Systems, Energy Recovery Ventilation (ERV) Systems, Enthalpy Wheels and Heat Recovery Ventilation (HRV) Systems. The Energy Recovery Ventilation (ERV) Systems segment accounted for the largest market share in 2024 and Whereas the Enthalpy Wheels segment will likely register the highest CAGR during the projected period.

Energy Recovery Ventilator (ERV) has high efficiency with an alternative ventilation system design that can significantly reduce a building's heating and cooling loads. Pairing DOAS and ERV with a ductless heating and cooling system, such as Variable Refrigerant Flow or Mini-Split heat pumps, can further reduce heating and cooling loads while enhancing comfort. Conventional Heating, Ventilation and Air Conditioning (HVAC) systems must fully temper fresh air before distributing it throughout the building.

This contributes to high heating and cooling loads and means that fresh air is only provided simultaneously with heating or cooling.  DOAS and ERV system combined with a properly downsized heating and cooling system and programmed HVAC controls will generate significant energy savings. Installation of an ERV at the highest efficiency available.

A commercial building's existing ventilation system may either be centralized, providing ventilation to the entire building, or decentralized, providing ventilation to individual floors or spaces. Tech primer outlines a high-performance ventilation upgrade option for commercial buildings using a DOAS with ERV and recommends the installation of an efficient, ductless heating and cooling system (VRF or Mini-Split) to fully realize savings. DOAS terminal units must be controlled by occupancy and CO2 sensors to provide fresh air to individual spaces when needed.

Global Dedicated Outdoor Air System (DOAS) By on Air flow strategy Insights

The Dedicated outdoor air system (DOAS) market, in this report, has been segmented based on Air flow strategy into Constant Air Volume (CAV), Variable Air Volume (VAV) and Displacement Ventilation (DV). The Variable Air Volume (VAV) segment accounted for the largest market share in 2024 and Whereas the Variable Air Volume (VAV) segment will likely register the highest CAGR during the projected period.

Variable Air Volume System is a type of heating, ventilating and air conditioning system. Variable Air Volume varies the flow of air at constant temperature. The advantage of Variable Air Volume system is that it can more precisely room temperature, it can reduce energy consumption by system fans and so on. Dedicated Outdoor Air System (DOAS) is the new kind of technology of VAV system in which the air flow which is provided by the fan system will be now limited to ventilation components.

Due to this, by this the amount of energy required to deliver heating and cooling will be slightly reduced, but pump energy will somehow increase. As a result, the building with low cooling requirements can implement this technology.

VAV systems are designed to be relatively maintenance free; however, because they encompass (depending on the VAV box type) a variety of sensors, fan motors, filters, and actuators, they require periodic attention. VAV systems are part of a larger HVAC system, specific support comes in the form of training opportunities for larger HVAC systems. To encourage quality O&M, building engineers can refer to the American Society of Heating, Refrigerating and Air-Conditioning Engineers/Air Conditioning Contractors of America (ASHRAE/ACCA) Standard 180, Standard Practice for Inspection and Maintenance of Commercial Building HVAC Systems.

VAV system saves energy by reducing total ventilation air flow and by handling sensible cooling loads more efficiently.

Global Dedicated Outdoor Air System (DOAS) By System Architecture Insights

The Dedicated outdoor air system (DOAS) market, in this report, has been segmented based on System Architecture into Packaged DOAS Units, Modular/Custom DOAS via Air Handling Units (AHUs) and Integrated Systems with Third-Party Components. The Packaged DOAS Units segment accounted for the largest market share in 2024 and Whereas the Modular/Custom DOAS via Air Handling Units (AHUs) segment will likely register the highest CAGR during the projected period.

DOAS units are packaged direct expansion (DX) systems incorporating efficient variable-speed or multi-stage compressors for precise temperature and humidity control. DOAS can range anything from a small micro-ducted fan unit in residential applications to big commercial packaged units. The most common features of a large-scale DOAS system are filters, supply and exhaust fans, cooling coils, heating sources, and some means of dehumidification. These components are there to ensure that only clean, pre-conditioned air makes its way into the facility through the air ducts.

 DOAS achieves the above-mentioned benefits by leveraging cutting-edge refrigeration, control, and energy-recovery technologies. This broad range of compressor capacity modulation is crucial to maintaining optimal comfort while minimizing energy usage. Coupling variable-speed DX technology with energy recovery solutions, like enthalpy wheels, plate heat exchangers, and hot gas and liquid sub-cool reheat systems, allows for high efficiency even under challenging conditions.

 As the focus on ventilation and air quality continues to grow among facility managers and building owners, a trend expected to intensify, DOAS systems are increasingly recognized as a viable choice to promote energy-efficient healthy buildings. Get in touch with DRI Rotors to keep your facilities more relaxed and comfortable than others. DOAS achieves the abovementioned benefits by leveraging cutting-edge refrigeration, control, and energy-recovery technologies.

Global Dedicated Outdoor Air System (DOAS) By System capacity Insights

The Dedicated outdoor air system (DOAS) market, in this report, has been segmented based on System capacity into Less than 5 Tons / 1,000 CFM, 5 to 15 Tons/ 1,000 to 3,000 CFM, 15 to 30 Tons/ 3,000 to 6,000 CFM and More than 30 Tons / >6,000 CFM. The More than 30 Tons / >6,000 CFM segment accounted for the largest market share in 2024 and Whereas the More than 30 Tons / >6,000 CFM segment will likely register the highest CAGR during the projected period.

Dedicated Outdoor Air Systems (DOAS) with capacity exceeding 30 tons or airflow rates above 6,000 CFM, several manufacturers offer high-capacity solutions tailored for large commercial and industrial applications. The purpose of these systems is to improve indoor air quality and occupant comfort by effectively ventilating and dehumidifying spaces. Think about things like building size, occupancy, local climate, and particular ventilation needs when choosing a DOAS. It is used in buildings, such as occupancy levels, internal heat loads, and ventilation standards. handle the local climate, ensuring reliable performance year-round. Integrate with existing building management systems for optimal control.

Global Dedicated Outdoor Air System (DOAS) By System Integration Type Insights

The Dedicated outdoor air system (DOAS) market, in this report, has been segmented based on System integration type into OEM-Integrated (Built by Customer) and Third-Party Integrator Assembled Systems. The OEM-Integrated (Built by Customer) segment accounted for the largest market share in 2024 and Whereas the OEM-Integrated (Built by Customer) segment will likely register the highest CAGR during the projected period.

OEM-integrated DOAS is expected to grow significantly due to rising demand for sustainable, energy-efficient, and customized HVAC solutions. Even though there are obstacles, they also offer chances for creativity and cooperation between clients and producers. OEM-integrated DOAS solutions are anticipated to be crucial in determining the direction of indoor air quality and energy efficiency in the future as building standards change and awareness rises.

Dedicated outdoor air systems require separate equipment for ventilation and cooling, which can significantly increase the overall cost of HVAC systems. This cost factor can deter some customers from investing in DOAS solutions, especially in cost-sensitive markets. The lack of awareness can hinder the adoption of DOAS solutions, as potential customers may opt for traditional HVAC systems that they are more familiar with.

DOAS developments are in energy recovery technology, where devices like energy recovery wheels, heat exchangers, and enthalpy wheels are integrated into DOAS units to capture and repurpose heat and moisture from exhaust air, reducing the energy required to condition incoming outdoor air.

This leads to substantial energy savings, making DOAS an environmentally friendly and cost-effective choice for large buildings with high ventilation needs. DOAS performance by enabling more precise control over ventilation rates, humidity levels, and temperature. Integrated sensors continuously monitor CO2 levels, humidity, and occupancy, allowing DOAS units to adjust ventilation dynamically based on real-time conditions.

Global Dedicated Outdoor Air System (DOAS) By Application Insights

The Dedicated outdoor air system (DOAS) market, in this report, has been segmented based on System integration type into OEM-Integrated (Built by Customer) and Third-Party Integrator Assembled Systems. The Commercial/ Comfort Applications segment accounted for the largest market share in 2024 and Whereas the Commercial/ Comfort Applications segment will likely register the highest CAGR during the projected period.

Commercial Applications help experiencing robust growth, driven by increasing demand for energy-efficient HVAC solutions that improve indoor air quality (IAQ) in commercial, institutional, and residential buildings. The adoption of DOAS is further accelerated by advancements in sensor technology and smart HVAC systems, as well as the need for systems that offer flexibility and improved occupant comfort while reducing overall energy consumption.

Government regulations for HVAC equipment, increasing adoption of DOAS for residential and commercial applications, and increasing focus on indoor air and environmental quality are the key factors expected to boost the growth of the DOAS market in the next five years.

 DOAS provides superior external ventilation that effectively manages sensible and latent air loads and ensures an appropriate living environment. It effectively regulates heat and enhances the living environment of the residents. Advanced ventilation systems enhance airflow and the working environment. Due to its capacity to maintain stable temperatures in all conditions, it is widely employed in a variety of building projects. 

Increasing investments in premium projects are anticipated to increase demand for air-flow systems of superior quality. provides superior external ventilation that effectively manages sensible and latent air loads and ensures an appropriate living environment. It effectively regulates heat and enhances the living environment of the residents. Advanced ventilation systems enhance airflow and the working environment. Due to its capacity to maintain stable temperatures in all conditions, it is widely employed in a variety of building projects. Increasing investments in premium projects are anticipated to increase demand for air-flow systems of superior quality.

Figure 1: Dedicated Outdoor Air System (DOAS) Market, By Application, 2024 & 2035 (USD Billion)

Global Dedicated Outdoor Air System (DOAS) Regional Insights  

The report on the Dedicated Outdoor Air System (DOAS) Market has been segmented based on regions such as: North America, Europe, Asia-Pacific, Middle East & Africa, & South America. North America accounted for the largest market share in 2024 and is anticipated to reach USD 1.91 Billion by 2035. Asia-Pacific is projected to grow at the highest CAGR of 11.2% during the forecast period.

The demand for DOAS has increased in recent years in North America countries such as US and Canada. There is a high demand for DOAS in retail, hospital, and office applications in North America as this region is host to multiple enterprises across the commercial space where a massive number of DOAS are needed. The need for energy efficiency, better indoor air quality, and rising demand for DOAS from residential and commercial buildings are some of the drivers driving the dedicated outside air system market in North America.

 The US is a major contributor to the growth of the DOAS market in North America. Government regulations in the region have supported the growth of the market. For example, government initiatives such as the ENERGY STAR Verified HVAC Installation Program (ESVI), and the Weatherization Assistance Program (WAP) are fostering the expansion of the DOAS sector. The combination of environmental stewardship, health-conscious building design, and technological innovation is reflected in current trends in the North American DOAS market. 

One significant development is the growing integration of AI and machine learning algorithms with DOAS systems to dynamically change ventilation rates based on occupancy patterns and exterior air quality indicators. Due to incentives for energy-efficient retrofits and renovations, demand for DOAS installations in commercial and institutional buildings is also rising in the United States and Canada. Canada has the Moderate growth with strengths in retail sales and stable government spending.

Additionally, the presence of major industry players in this region fosters innovation and drives product availability. Market penetration in North America is further accelerated by the early adoption of smart building technology and advanced construction processes. Air conditioning systems that not only effectively cool buildings but also comply with strict environmental standards are becoming more and more popular in Mexico. 

Mexico has the Fastest growth in key sectors in construction, digital advertising, government spending and export growth.  Mexico reflects a growing demand for air conditioning and ventilation systems, driven by the country's economic growth, increasing urbanization, and the rising temperatures associated with climate change. Government laws aimed at lowering energy usage and environmental effects are driving a clear move towards smart and energy-efficient HVAC systems.

Figure 2: Dedicated Outdoor Air System (DOAS) Market, By Region, 2024 & 2035 (USD Billion)

Further, the major countries studied in the market report are the U.S., Canada, Mexico, Germany, France, UK, Italy, Spain, Rest of Europe , China, Japan, India, South Korea, Malaysia, Thailand, Indonesia , Rest of Asia-Pacific , GCC Countries, South Africa, Rest of Middle East & Africa , Brazil, Argentina, Rest of South America.

Global Dedicated Outdoor Air System (DOAS) Key Market Players & Competitive Insight

Many global, regional, and local vendors characterize the Dedicated Outdoor Air System (DOAS) Market. The market is highly competitive, with all the players competing to gain market share. Intense competition, rapid advances in technology, frequent changes in government policies, and environmental regulations are key factors that confront market growth. The vendors compete based on cost, product quality, reliability, and government regulations. Vendors must provide cost-efficient, high-quality products to survive and succeed in an intensely competitive market.

The major players in the market include Greenheck Fan Corporation, Johnson Controls, Carrier, Daikin Industries, Ltd., Lg Electronics, Desiccant Rotors International, AAON, Inc., Trane Technologies, XETEX, NEXGEN, And Among Others. The Dedicated Outdoor Air System (DOAS) Market is a consolidated market due to increasing competition, acquisitions, mergers and other strategic market developments and decisions to improve operational effectiveness.

Key Companies in the Dedicated Outdoor Air System (DOAS) Market include.

• Greenheck Fan Corporation
• Johnson Controls
• Carrier
• Daikin Industries, Ltd.
• Lg Electronics
• Desiccant Rotors International
• AAON, Inc.
• Trane Technologies
• XETEX
• NEXGEN

Dedicated Outdoor Air System (DOAS) Market Segmentation

Dedicated Outdoor Air System (DOAS) Market By Technology Outlook (USD Billion, 2019-2035)

• Direct Expansion (DX) Systems
• Energy Recovery Ventilation (ERV) Systems
• Enthalpy Wheels
• Other Desiccant-Based Systems (including liquid desiccants)
• Heat Recovery Ventilation (HRV) Systems

Dedicated Outdoor Air System (DOAS) Market By Air Flow Strategy Outlook (USD Billion,2019-2035)

• Packaged DOAS Units
• Modular/Custom DOAS via Air Handling Units (AHUs)
• Integrated Systems with Third-Party Components

Dedicated Outdoor Air System (DOAS) Market By System Capacity Outlook (USD Billion, 2019-2035)

• Less than 5 Tons / 1,000 CFM
• 5 to 15 Tons / 1,000 to 3,000 CFM
• 15 to 30 Tons / 3,000 to 6,000 CFM
• More than 30 Tons / >6,000 CFM

Dedicated Outdoor Air System (DOAS) Market By System Integration Type Outlook (USD Billion, 2019-2035)

• OEM-Integrated (Built by Customer)
• Third-Party Integrator Assembled Systems

Dedicated Outdoor Air System (DOAS) Market By Application Outlook (USD Billion, 2019-2035)

• Commercial/ Comfort Applications
  • Commercial Buildings
  • Education Institutes
  • Retail Spaces
  • Hospitals & Healthcare Facilities
• Process/ Industrial Applications
  • Industrial Facilities
  • Cleanrooms (Pharmaceuticals, Biotech)
  • Semiconductor Fabs
  • Battery Manufacturing Facilities

Global Dedicated Outdoor Air System (DOAS) Regional Outlook

• North America
  • US
  • Canada
  • Mexico
• Europe
  • Germany
  • France
  • UK
  • Italy
  • Spain
  • Rest of Europe
• Asia-Pacific
  • China
  • Japan
  • India
  • South Korea
  • Malaysia
  • Thailand
  • Indonesia
  • Rest of Asia-Pacific
• South America
  • Brazil
  • Argentina
  • Rest of South America
• Middle East
  • GCC Countries
  • South Africa
  • Rest of Middle East & Africa

Report Attribute/Metric	Details
Market Size 2024	USD 4.92 BILLION
Market Size 2025	USD 5.13 BILLION
Market Size 2035	USD 13.57 BILLION
Compound Annual Growth Rate (CAGR)	10.2% (2025-2035)
Base Year	2024
Market Forecast Period	2025-2035
Historical Data	2019- 2023
Market Forecast Units	Value (USD Billion)
Report Coverage	Revenue Forecast, Market Competitive Landscape, Growth Factors, and Trends
Segments Covered	By Technology, By Air Flow Strategy, By System Architecture, By System Capacity, By System Integration Type, By Application
Geographies Covered	North America, Europe, Asia-Pacific, South America, Middle East & Africa.
Countries Covered	U.S., Canada, Mexico, Germany, France, UK, Italy, Spain, Rest of Europe, China, Japan, India, South Korea, Malaysia, Thailand, Indonesia, Rest of Asia-Pacific, GCC Countries, South Africa, Rest of Middle East & Africa , Brazil, Argentina, Rest of South America.
Key Companies Profiled	Greenheck Fan Corporation, Johnson Controls, Carrier, Daikin Industries Ltd., Lg Electronics, Desiccant Rotors International, AAON, Inc., Trane Technologies, XETEX, NEXGEN, And Among Others
Key Market Opportunities	·         Urbanization And Infrastructure Development In Emerging Economies ·         Integration With Smart Building Technologies
Key Market Dynamics	·         Rising Awareness Of Indoor Air Quality ·         Government Regulations And Standards